质子传递
- proton transfer;proton conduction;proton translocation
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提出了双催化层阴极,该电极同时采用聚四氟乙烯和Nafion两种粘结剂粘结催化层,阴极催化层具有良好的气体传输和质子传递能力。
Dual-bonded catalyst layer cathode was carried out , the cathode catalyst layer had fine gas transport and proton transfer abilities since the electrode used both PTFE and Nafion as binders .
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氢键系统中质子传递的孤子特性
Characteristics of solitons in proton transfer in hydrogen-bonded systems
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本文还扼要地讨论了固氮酶反应中ATP驱动的电子和质子传递机理。
Nitrogenase . A brief , further discussion of the mechanism of ATP-driven electron and proton , transports is also given .
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结果表明:(1)上述质子传递反应均具有双阱型的势能面,质子沿N(1)、N(2)连线直接传递;
The results show that : ( 1 ) there are two potential wells on each potential surface of these four systems and the proton transfers directly along the line between the two nitrogen atoms ;
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用四阶Runge-Kutta方法数值分析了在恒定外场影响下氢键系统中的质子传递。
Using the fourth-order Runge-Kutta way , we studied the transferred proton in the hydrogen bond system under the influence of invariable electric field in this thesis .
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用庞小峰先生提出的氢键系统的非线性激发与质子传递的新理论并采用四阶Runge-Kutta数值分析方法,通过计算机模拟,研究了冰晶体中质子传递孤子的动力学特征。
The basic dynamic equations of the theory of proton transfer in hydrogen-bonded systems proposed by Pang is simulated , by means of Runge-Kutta method and the typical parameters of ice crystal , and the characteristics of soliton motion under standard parameters , are obtained .
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该势能面的面貌表明Eyring模型用于气相离子&分子反应过于简单,质子传递的过程应由若干基元过程组成。
The feature of the potential energy surface shows that Eyring 's physical model treating gas phase ion-molecule reaction is too simple , and the mechanism transfering proton in the system consists of several elementary processes .
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恒定电场对氢键系统中质子传递影响的计算机模拟
Computer Simulation of the Proton Transferred in the Hydrogen Bond Systems under the Influence of Invariable Electric Field
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用其质子传递反应的自由能变,计算了水解常数和水解度。
Their hydrolysis constant and degree of hydrolysis are calculated by free energy change of proton transfer reaction .
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与电子传递系统,电子是通过从一个到另一个承运人和质子传递跨越膜。
As with the electron transport system , electrons are passed from one carrier to another and protons are passed across the membrane .
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气相离子&分子反应的研究Ⅰ.H3NH~++NH3体系质子传递的量化分析
ON GAS PHASE ION-MOLECULE REACTION ⅰ . The Quantum Chemical Analysis for the Proton Transfer of the System H_3NH ~ + + NH_3
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催化剂位置对质子传递阻力的影响与氧气扩散类似,但位置效应要弱些。
The effect of catalyst location on the proton migration in electrolyte is similar to that on oxygen diffusion , but is less prominent .
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泛醌(辅酶Q)在生物体氧化呼吸链中作为重要的质子和电子传递物质。
Ubiquinone ( Coenzyme Q ), known as a carrier of electrons and protons is a redox-active lipid essential in aerobic respiration .
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大鼠烫伤早期(烫伤后30min),肝线粒体质子和电子传递速度均加快,线粒体能化态跨膜电位降低(均以琥珀酸为底物),线粒体膜脂流动性降低。
Hydrogen ion pump and electron transfer rates were increased , and energized mitochondria transmembrane potential (△ψ), mitochondria inner membrane fluidity were decreased in rat liver mitochondria during the early phase of burn injury ( 30 min post-burn ) .
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电场极化对碱基对质子转移和电子传递的影响
Theoretical Investigations of Electric Field Effect on the Hydrogen Bonding and Electron Transport in DNA Base Pairs
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其高度有序的自组装结构为细胞提供了所有必不可少的功能,如:分子识别、质子泵、能量传递和信号传输。
These highly organized , self assembly structures provide indispensable functions for cell such as molecular recognition , signal transduction and energy conversion .
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电磁制动器力矩特性斜率与转子参数关系的研究电场极化对碱基对质子转移和电子传递的影响
Making Clear Relationships between Electromagnetic Brake ′ s Torque-Speed Ratio and Its Rotor Dimensions Theoretical Investigations of Electric Field Effect on the Hydrogen Bonding and Electron Transport in DNA Base Pairs
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质子传导陶瓷膜可以以质子传递方式选择性透过氢,具有成本低、选择高,耐高温、热稳定及化学稳定性能好、不易中毒等特点,非常适合于脱氢膜反应器。
The proton conducting ceramic membranes have such the advantages for hydrogen permeation as the low cost , the high permselectivity , the resistance to high-temperature and the good chemical stability . They are very suitable to the dehydrogenation reactors on condition that the hydrogen permeation rate can be improved .
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增大电池的操作压力,电渗拉力系数、反扩散系数、水力渗透系数、水净迁移系数和质子膜的含水量增加,而质子传递阻力下降,使燃料电池的性能得到了提高。
At the same time electro-osmotic drag , back diffusion , hydraulic permeation and net water transport coefficients and water content in the membrane increased rapidly , while proton transport resistance decreased , which improved the performance of PEM fuel cells .